Company Name
 |
Plant Name
 |
Subsidiary
 |
City
 |
State/Province
 |
| CRH | Soda Springs - 676 | Jack B Parson Ready Mix | Soda Springs | Idaho |
| CRH | IMC- WILLOW CREEK | Idaho Materials & Construction (IMC) | IDAHO FALLS | Idaho |
| CRH AMAT | ICA Posts Falls Plant #42 | CRH AMAT NWG | Post Falls | Idaho |
| CRH | Bellevue Ready Mix | Idaho Materials & Construction (IMC) | Bellevue | Idaho |
| CRH | East Boise ReadyMix | Idaho Materials & Construction (IMC) | Boise | Idaho |
| GB Redi-mix | GB Redi-mix Boise | | Boise | Idaho |
| CRH | Twin Falls Ready Mix | Idaho Materials & Construction (IMC) | Twin Falls | Idaho |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Joliet Plant | Illinois South Division | Joliet | Illinois |
| Ozinga Ready Mix Concrete | Fox Lake Plant | Illinois North Division | Antioch | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Alsip Plant | Illinois South Division | Alsip | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - McCook Plant | Chicago Division | McCook | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Evanston Plant | Chicago Division | Evanston | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Jarvis Plant | Chicago Division | Des Plaines | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - State Street Plant | Chicago Division | Chicago | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Northside Plant | Chicago Division | Chicago | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Chinatown Plant | Chicago Division | Chicago | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Carol Stream Plant | Illinois South Division | Carol Stream | Illinois |
| VCNA Prairie LLC | Yard 1041/Port of Will County | Prairie Material | Joliet | Illinois |
| VCNA Prairie LLC | Yard 1014/Addison | Prairie Material | Addison | Illinois |
| VCNA Prairie LLC | Yard 1133/Oswego | Prairie Material | Oswego | Illinois |
| Ozinga Ready Mix Concrete | Belvedere Plant | Illinois North Division | Belvedere | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Lemont Plant | Illinois South Division | Lemont | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Manteno Plant | Illinois South Division | Manteno | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Mokena Plant | Illinois South Division | Mokena | Illinois |
| Ozinga Ready Mix Concrete | Ozinga Ready Mix - Montgomery Plant | Illinois South Division | Montgomery | Illinois |